On the 11th of august I visited Aviano Airbase for the first time and there were also a few US Marine Corps F/A-18C Hornets for an exercies with the local Aviano F-16's as you can see both types in the picture above if you look closely and also one Ramstein C-130J-30 dropping off some cargo. For the full plane log of what I saw check below the pictures.
08-8601/RS | C-130J-30 | 37th AS | USAFE (86AW Bossbird)
87-0355/AV | F-16CM | 510th FS | USAFE
88-0446/AV | F-16CM | 555th FS | USAFE
88-0460/AV | F-16CM | 555th FS | USAFE
89-2009/AV | F-16CM | 510th FS | USAFE (31FW Bossbird)
89-2018/AV | F-16CM | 510th FS | USAFE
89-2038/AV | F-16CM | 510th FS | USAFE
89-2049/AV | F-16CM | 510th FS | USAFE
89-2068/AV | F-16CM | 555th FS | USAFE
89-2102/AV | F-16CM | 510th FS | USAFE
89-2152/AV | F-16CM | 555th FS | USAFE
90-0772/AV | F-16CM | 555th FS | USAFE
164698/WS-402 | F/A-18C | VMFA-323 | USMC
164703/WS-403 | F/A-18C | VMFA-323 | USMC
165217/WS-412 | F/A-18C | VMFA-323 | USMC
165400/WS-411 | F/A-18C | VMFA-323 | USMC
USAFE = US Air Force Europe
USMC = US Marine Corps